#!/bin/sh

echo2 () { echo "$@" >&2; }

die () { echo2 "$@"; exit 1; }

x () { echo "$@"; "$@"; }

case `id` in
    uid=0*) ;;
    *) die Only root can install this. ;;
esac

case $1 in
    go) ;; *)
    echo
    echo This script will extract scratchbox 1.0.7 environment to
    echo `pwd`/sbox-for-maemo22
    echo and symlink that to /scratchbox.
    echo All kind of checks are done before this can happen.
    echo
    echo Enter \'$0 go\' to do the installation.
    echo
    exit 0 ;;
esac


#if :; then :; else

f=`ls -d scratchbox sbox-for-maemo22 2>/dev/null`

case $f in
    '') ;;
    *) die 'File(s)/Directory(ies)' \'$f\' on the way. ;;
esac

case `ls -d /scratchbox 2>/dev/null` in
    '') ;;
    *) die \'/scratchbox\' is on the way\; examine what is that for... ;;
esac

core=scratchbox-core-1.0.7-i386.tar.gz
coresum=de7d72478f6d9019ba6212ea9047a569

libs=scratchbox-libs-1.0.7-i386.tar.gz
libssum=2c8c32b4afee77ea0ec64a94faf18cca

devkit=scratchbox-devkit-debian-1.0.7.1-i386.tar.gz
devkitsum=3a485193cabd5f4a72179cb96e19c01c

cputransp=scratchbox-devkit-cputransp-1.0.3-i386.tar.gz
cputranspsum=6fcfc3b98854186a9e6e1cc185bc6548

toolch_arm=scratchbox-toolchain-cs2005q3.2-glibc-arm-1.0.5-i386.tar.gz
toolch_armsum=bbaa58b63cc6c8e5a501126886a9cea5

toolch_i386=scratchbox-toolchain-cs2005q3.2-glibc-i386-1.0.5-i386.tar.gz
toolch_i386sum=20f3c5f4eadf16082f772e0a09eeea88

sumchk ()
{
	echo Checking $1 ...
	case `md5sum $1` in
		$2' '*) ;;
		*) die File $1 md5sum is not $2 ;;
	esac
}

sumchk $core $coresum
sumchk $libs $libssum

sumchk $devkit $devkitsum
sumchk $cputransp $cputranspsum

sumchk $toolch_arm $toolch_armsum
sumchk $toolch_i386 $toolch_i386sum

rootstrap=Maemo_Dev_Platform_v2.2_armel-rootstrap.tgz
rootstrapsum=02722db321d8efd94577c8011c7380f4

sumchk $rootstrap $rootstrapsum

gosbox=go-sbox-maemo22.src
gosboxsum=870d0e277ea97a3aec7fd7af7f8f4f60

sumchk $gosbox $gosboxsum

echo

x tar zxf $core
x tar zxf $libs
x tar zxf $devkit
x tar zxf $cputransp
x tar zxf $toolch_arm
x tar zxf $toolch_i386
x mv scratchbox sbox-for-maemo22
x ln $rootstrap sbox-for-maemo22/packages

x ln -s `pwd`/sbox-for-maemo22 /scratchbox

x cp $gosbox /scratchbox/go-sbox.sh
x chmod 755 /scratchbox/go-sbox.sh
echo
#fi

chkvdso ()
{
    case `/scratchbox/tools/bin/echo jee 2>/dev/null` in
	jee) true ;;
	*) false ;;
    esac
}

chkvdso || {
    ( set -x
      test -f /proc/sys/vm/vdso_enabled && echo 0 > /proc/sys/vm/vdso_enabled
      test -f /proc/sys/kernel/vdso && echo 0 > /proc/sys/kernel/vdso )
}

chkvdso || die "Can not disable kernel vdso parameter";

test -x /usr/sbin/getenforce && {
    case `/usr/sbin/getenforce` in
	Disabled) ;;
	*) echo Selinux is active, which may cause problems
	   echo You may want to disable it using \'setenforce\' command.
	   x sleep 2
	   ;;
    esac
}

echo
echo Now scratchbox files are installed, but not taken in use yet
echo
echo Next run \'/scratchbox/run_me_first.sh\' '(accept defaults)' and
echo \'/scratchbox/sbin/sbox_adduser '<username>'\' where
echo '<username>' is your '(non-root)' login name on this system.
echo
echo After that, log in using your '<username>' and run \'groups\'
echo to see whether \'sbox\' is listed there.
echo '(that requires re-login after the above '"'"'sbox_adduser'"'"' is run)'
echo
echo When this is OK, run /scratchbox/go-sbox.sh login
echo
echo '('go-sbox.sh is a wrapper for scratchbox setup/login interface. Run
echo ' 'it without arguments to see full command usage.')'
echo
echo The quickest way to setup compilation environment for Nokia Internet Tablets
echo is to run the following commands after login:
echo
echo '' sb-conf setup SDK_ARMEL -c cs2005q3.2-glibc-arm -d debian:cputransp -t qemu-arm
echo '' sb-conf select SDK_ARMEL
echo '' sb-conf rootstrap SDK_ARMEL /scratchbox/packages/Maemo_Dev_Platform_v2.2_armel-rootstrap.tgz
echo '' sb-conf install SDK_ARMEL --etc --devkits --fakeroot
echo

exit 0